/*
 * Copyright 2023 ByteDance and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use std::fmt;

#[derive(Clone, Copy)]
pub enum ResolveQueryType {
    A,
    Aaaa,
}

impl ResolveQueryType {
    pub const fn as_str(&self) -> &'static str {
        match self {
            ResolveQueryType::A => "A",
            ResolveQueryType::Aaaa => "AAAA",
        }
    }
}

impl AsRef<str> for ResolveQueryType {
    fn as_ref(&self) -> &str {
        self.as_str()
    }
}

impl fmt::Display for ResolveQueryType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}", self.as_str())
    }
}
